283 lines
8.4 KiB
Java
283 lines
8.4 KiB
Java
package org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.resources;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.client.CKanPublisherService;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.client.CKanPublisherServiceAsync;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.AddResourceEvent;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.ReloadDatasetPageEvent;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.WorkspaceItemSelectedEvent;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.WorkspaceItemSelectedEventHandler;
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import org.gcube.portlets.widgets.ckandatapublisherwidget.shared.ResourceElementBean;
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import org.gcube.portlets.widgets.mpformbuilder.client.ui.utils.LoaderIcon;
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import com.github.gwtbootstrap.client.ui.Alert;
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import com.github.gwtbootstrap.client.ui.AlertBlock;
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import com.github.gwtbootstrap.client.ui.Button;
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import com.github.gwtbootstrap.client.ui.ControlGroup;
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import com.github.gwtbootstrap.client.ui.TextArea;
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import com.github.gwtbootstrap.client.ui.TextBox;
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import com.github.gwtbootstrap.client.ui.constants.AlertType;
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import com.github.gwtbootstrap.client.ui.constants.ControlGroupType;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Style.Unit;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.uibinder.client.UiHandler;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.DialogBox;
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import com.google.gwt.user.client.ui.FlowPanel;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.Widget;
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/**
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* Form used to add resource(s) to a dataset
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*
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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*/
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public class AddResourceToDataset extends Composite {
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private static AddResourceToDatasetUiBinder uiBinder = GWT.create(AddResourceToDatasetUiBinder.class);
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interface AddResourceToDatasetUiBinder extends UiBinder<Widget, AddResourceToDataset> {
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}
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// bus to alert the dataset form about this new resource
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private HandlerManager eventBus;
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// the dataset id
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private String datasetId;
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// the dataset organization
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private String datasetOrg;
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private final CKanPublisherServiceAsync ckanServices = GWT.create(CKanPublisherService.class);
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@UiField
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TextBox resourceUrlTextBox;
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@UiField
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TextBox resourceNameTextBox;
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@UiField
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TextArea resourceDescriptionTextArea;
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@UiField
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Button addResourceButton;
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@UiField
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AlertBlock infoBlock;
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@UiField
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Button goToDatasetButton;
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@UiField
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ControlGroup urlControlGroup;
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@UiField
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ControlGroup nameControlGroup;
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@UiField
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FlowPanel infoPanel;
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@UiField
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Button buttoSelectFromWorkspace;
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@UiField
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Alert alertInfoURL;
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FlowPanel alertPanel = new FlowPanel();
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public AddResourceToDataset(HandlerManager eventBus, final String datasetId, String datasetTitle,
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final String datasetOrg, final String datasetUrl) {
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initWidget(uiBinder.createAndBindUi(this));
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// save bus
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this.eventBus = eventBus;
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// save dataset id (it is needed when we will add resources)
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this.datasetId = datasetId;
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this.datasetOrg = datasetOrg;
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String title = datasetTitle;
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String link = "";
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link += title.length() > 90 ? title.substring(0, 90) + "..." : title;
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goToDatasetButton.setTitle("Go to the item: " + title);
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goToDatasetButton.setText(link);
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// goToDatasetButton.setHref(datasetUrl);
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goToDatasetButton.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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Window.open(datasetUrl, "_blank", "");
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}
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});
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alertInfoURL.setType(AlertType.WARNING);
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infoBlock.add(alertPanel);
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bind();
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addResourceButton.setEnabled(true);
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}
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private void bind() {
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eventBus.addHandler(WorkspaceItemSelectedEvent.TYPE, new WorkspaceItemSelectedEventHandler() {
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@Override
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public void onSelectedItem(final WorkspaceItemSelectedEvent workspaceItemSelectedEvent) {
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if (workspaceItemSelectedEvent.getItem() != null) {
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LoaderIcon loader = new LoaderIcon("Getting public link...");
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showAlert(null, loader, AlertType.INFO, false, true);
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ckanServices.getPublicLinkForFileItemId(workspaceItemSelectedEvent.getItem().getId(), true,
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new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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showAlert(caught.getMessage(), null, AlertType.ERROR, false, true);
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}
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@Override
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public void onSuccess(String result) {
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showAlert("", null, null, false, false);
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resourceUrlTextBox.setText(result);
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resourceNameTextBox.setText(workspaceItemSelectedEvent.getItem().getName());
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}
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});
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}
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}
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});
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}
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@UiHandler("buttoSelectFromWorkspace")
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void onSelectFromWorkspaceClick(ClickEvent e) {
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final DialogBox dialog = new DialogBox(false);
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dialog.setText("Select file from Workspace...");
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dialog.getElement().setId("selectWorkspaceDialog");
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dialog.getElement().getStyle().setWidth(700, Unit.PX);
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dialog.getElement().getStyle().setZIndex(10000);
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dialog.setHeight("400px");
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DialogWorkspaceExplorer dbw = new DialogWorkspaceExplorer(dialog, eventBus);
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dialog.add(dbw);
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dialog.center();
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}
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@UiHandler("addResourceButton")
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void onAddButtonClick(ClickEvent e) {
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infoBlock.setVisible(false);
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urlControlGroup.setType(ControlGroupType.NONE);
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nameControlGroup.setType(ControlGroupType.NONE);
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// validation
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if (resourceUrlTextBox.getText().isEmpty()) {
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showAlert("'URL' field cannot be empty", null, AlertType.ERROR, true, true);
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urlControlGroup.setType(ControlGroupType.ERROR);
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return;
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}
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// validation
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if (resourceNameTextBox.getText().isEmpty() || resourceNameTextBox.getText().isEmpty()) {
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showAlert("'Name' field cannot be empty", null, AlertType.ERROR, true, true);
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nameControlGroup.setType(ControlGroupType.ERROR);
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return;
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}
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// THE URL must be HTTPS, see #21068
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if (!(resourceUrlTextBox.getText().toLowerCase().startsWith("https://"))) {
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showAlert("The URL must be HTTPS, so start with \"https://\" (e.g. https://your-resource.com)", null,
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AlertType.ERROR, true, true);
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urlControlGroup.setType(ControlGroupType.ERROR);
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return;
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}
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// collect data and build up the bean
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final ResourceElementBean resource = new ResourceElementBean(resourceNameTextBox.getText(), true, false, null,
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null, null, null, null, resourceUrlTextBox.getText(), resourceDescriptionTextArea.getText(),
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datasetOrg);
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// disable add button
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addResourceButton.setEnabled(false);
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LoaderIcon loader = new LoaderIcon("Adding resource, please wait...");
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infoPanel.add(loader);
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// try to create
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ckanServices.addResourceToDataset(resource, datasetOrg, datasetId, new AsyncCallback<ResourceElementBean>() {
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@Override
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public void onSuccess(ResourceElementBean result) {
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infoPanel.clear();
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if (result != null) {
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showAlert("Resource created correctly", null, AlertType.SUCCESS, true, true);
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eventBus.fireEvent(new AddResourceEvent(result));
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eventBus.fireEvent(new ReloadDatasetPageEvent(datasetId));
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// remove data
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resourceUrlTextBox.setText("");
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resourceNameTextBox.setText("");
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resourceDescriptionTextArea.setText("");
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} else
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showAlert("Unable to add this resource. Check that the url is correct", null, AlertType.ERROR, true,
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true);
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}
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@Override
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public void onFailure(Throwable caught) {
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infoPanel.clear();
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showAlert("Unable to add this resource, sorry. Error is: " + caught.getMessage(), null, AlertType.ERROR,
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true, true);
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}
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});
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}
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/**
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* Show error/success after resource creation attempt.
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*
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* @param text
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* @param type
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*/
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protected void showAlert(String text, LoaderIcon loader, AlertType type, boolean scheduleHide, boolean setVisible) {
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alertPanel.clear();
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infoBlock.setType(type);
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infoBlock.setVisible(setVisible);
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if (scheduleHide) {
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// hide after some seconds
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Timer t = new Timer() {
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@Override
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public void run() {
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infoBlock.setVisible(false);
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}
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};
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t.schedule(8000);
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}
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if (text != null) {
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alertPanel.add(new HTML(text));
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}
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if (loader != null) {
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alertPanel.add(loader);
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}
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}
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}
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